SN4 ""

No	Pattern	Freq
1	it [verb] [prep] this [noun sg]	149
2	it [vb -s] [prep] this [noun]	92
3	it [verb] in this [noun]	44
4	it [vb past] [prep] this [noun]	38
5	it [verb] to this [noun]	30
6	it [verb] from this [noun]	22
7	it [verb] at this [noun]	14
8	it follow [prep] this [noun]	12
9	it follows [prep] this [noun]	12
10	it say [prep] this [noun]	10
11	it come [prep] this [noun]	10
12	it seem [prep] this [noun]	10
13	it [verb] on this [noun]	10
14	it happen [prep] this [noun]	8
15	it remain [prep] this [noun]	8
16	it [verb] [prep] this stage	7
17	it appear [prep] this [noun]	7
18	it [vb infin] [prep] this [noun]	7
19	it seems [prep] this [noun]	7
20	it [verb] [prep] this stage	7
21	it [to-vb] [prep] this [noun]	7
22	it says [prep] this [noun]	7
23	it do [prep] this [noun]	7
24	it remains [prep] this [noun]	6
25	it [verb] [prep] this day	6
26	it [verb] [prep] this day	6
27	it [vb pp] [prep] this [noun]	6
28	it get [prep] this [noun]	6
29	it comes [prep] this [noun]	5
30	it [verb] [prep] this point	5